13649383 has 16 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 12055680.

The previous prime is 13649381. The next prime is 13649399. The reversal of 13649383 is 38394631.

13649383 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13649383 - 2¹ = 13649381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13649381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 98128 + ... + 98266.

It is an arithmetic number, because the mean of its divisors is an integer number (957600).

Almost surely, 2^13649383 is an apocalyptic number.

13649383 is a deficient number, since it is larger than the sum of its proper divisors (1672217).

13649383 is a wasteful number, since it uses less digits than its factorization.

13649383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342.

The product of its digits is 46656, while the sum is 37.

The square root of 13649383 is about 3694.5071389835. The cubic root of 13649383 is about 238.9852000896.

The spelling of 13649383 in words is "thirteen million, six hundred forty-nine thousand, three hundred eighty-three".